Side reinforced vehicle body

A side reinforced vehicle body comprising:

• a side sill inner formed in a longitudinal direction of a cabin portion;
• a side sill outer surrounding the side sill inner;
• and
• a side reinforcement including a zig-zag pattern cross-section and disposed between the side sill inner and the side sill outer,
• wherein the side reinforcement is integrally formed with Carbon Fiber Reinforced Plastic (CFRP) material,
• wherein the side reinforcement includes:
• a plurality of upper reinforcement surfaces;
• a plurality of lower reinforcement surfaces;
• and
• a plurality of side reinforcement surfaces connecting the upper reinforcement surfaces and the lower reinforcement surfaces,
• wherein the side reinforcement further include an internal connection surface in contact with the side sill inner,
• wherein the side reinforcement further include an external connection surface in contact with the side sill outer.